Types of information: operational, tactical, strategic and statutory – why do we needinformation systems – management structure – requirements of information at differentlevels of management – functional allocation of management – requirements of information for various functions – qualities of information – small case study.
Module 2: Systems Analysis and Design Life Cycle (3) Requirements determination – requirements specifications – feasibility analysis – finalspecifications – hardware and software study – system design – system implementation –system evaluation – system modification. Role of systems analyst – attributes of asystems analyst – tools used in system analysis Module 3: Information gathering (3)
Strategies – methods – case study – documenting study – system requirementsspecification – from narratives of requirements to classification of requirements asstrategic, tactical, operational and statutory. Example case study Module Feasibility analysis (3) Deciding project goals – examining alternative solutions – cost – benefit analysis –quantifications of costs and benefits – payback period – system proposal preparation formanagements – parts and documentation of a proposal – tools for prototype creation Module 5: Tools for systems analysts (3)
The Essay on Information Systems Barrier analyses: Task Information Systems
Design of an organization is an important facilitator of strategic information systems schemes. Yet ancient IS structures are not aligned with the age of information systems since they cannot cope with the ever increasing change and the fast horizontal indulge and usage of expansive information technologies (Boar, 2001). A design of an organization that takes into account the ideas of internal ...
Data flow diagrams – case study for use of DFD, good conventions – leveling of DFDs –leveling rules – logical and physical DFDs – software tools to create DFDs Module 6: Structured systems analysis and design (3) Procedure specifications in structured English – examples and cases – decision tables forcomplex logical specifications – specification oriented design vs procedure orienteddesign Module 7: Data oriented systems design (3)
Entity relationship model – E-R diagrams – relationships cardinality and participation –normalizing relations – various normal forms and their need – some examples of relational data base design. Module 8: Data input methods (3) Coding techniques – requirements of coding schemes – error detection of codes –validating input data – input data controls interactive data input Module 9: Designing outputs (2) Output devices – designing output reports – screen design – graphical user interfaces –interactive I/O on terminals.